package com.example.javabeantest.javaBeanSamples;

public class Convert {
    public String arr2Str(String[] arr){
        StringBuffer sb=new StringBuffer();
        if (arr!=null&&arr.length>0){
            for(String s:arr){
                sb.append(s);
                sb.append(",");
            }
            if (sb.length()>0){
                sb.deleteCharAt(sb.length()-1);
            }
        }
        return sb.toString();
    }
}
